氯酸

Tris cyanurate as an excellent additional retardant was synthesized by using cyanuric chloride and 2,4,6-tribromophenol as starting materials in the presence of acid accepter.

本文以三溴苯酚和三聚氯氰为原料，在缚酸剂的存在下，合成了一种性能优良的添加型阻燃剂三三聚氰酸酯。

Nsted acid ionic liquids were inactive for the alkylation of isobutane with butene.In contrast,the chloroaluminate ioni c liquids were very active for the alkylation.However,the qualities of the alkylate oils using chloroaluminate ionic liquids were unsatisfied and worse than that of the products in the industrial sulfuric acid process obviously.

发现：所制备Bronsted酸离子液体无催化烷基化反应活性；而氯铝酸离子液体则具有很高的催化烷基化反应活性，但所得烷基化油质量较差，明显低于工业硫酸法水平。

In this paper reported a new technology of preparing butyl gallate from sodium gallate and n-chlorobu-tane.

报道了由没食子酸钠和氯代正丁烷合成没食子酸丁酯的新工艺。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，(来源：dc3cdcABC论文网www.abclunwen.com)以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

To study the relationship between the "tail" structure and the characteristics of Gemini surfactants, a new gemini surfactant CH(subscript 2s)-αω-Bis (dehydroabietyihydroxypropyltetramethylethyldiammonium Chloride) here s=2, has been synthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The affections of reacttants ratio, reaction temperature and time on the yield of aimed compound have been discussed.

研究了Gemini表面活性剂中疏水&尾巴&结构对性质的影响，以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧－2-羟丙基氯，再与四甲基乙二胺反应，得到1种以脱氢松香酰基为疏水链&尾巴&的对称Gemini型双季铵盐阳离子表面活性剂：二氯化－N，N'-二（3-脱氢松香酰氧－2-羟丙基）四甲基乙二胺。

To study the relationship between the hydrophobic "tail" structure and thecharacterizations of Gemini surfactants, a new gemini surfactant CsH2s-α,ω-bis(dehydroabietylhydroxypropylteteramethylethylammonium Chloride),here s=2, wassynthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The impact factorsin the two steps are discussed.

为研究gemini表面活性剂中疏水&尾巴&结构对性质的影响，本论文以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧-2-羟丙基氯，再与四甲基乙二胺反应，得到一种以脱氢松香酰基为疏水链&尾巴&的对称gemini型双季铵盐阳离子表面活性剂：二氯化-N，N′-二(3-脱氢松香酰氧-2-羟丙基)四甲基乙二胺。

Disclosed is a method to prepare 3, 3-dimethyl butyric acid chloride, relating to an organically synthesized intermediated compound and particularly relating to a method to prepare 3, 3-dimethyl butyric acid chloride from 3,3-dimethyl butyric acid and phosphorus trichloride.

3，3-二甲基丁酰氯的制备方法，涉及一种有机合成中间体，尤其是涉及一种由3，3-二甲基丁酸与三氯化磷反应制备3，3-二甲基丁酰氯的方法。

Result and Conclusion: The yolk oils processed by daking and dry distillation are almost similar in the contents of fatty oils, type of fatty acids, acid value, iodine value, saponification value, relative density and refractive index, while obvious differences were found in the products processed by chloroform extraction.

结果 ：烘法和干馏法炮制的蛋黄油中脂肪油含量，所含脂肪酸的种类、含量以及酸值、碘值、皂化值、相对密度、折光率相近，氯仿提取法制备品则差异较大。结论：烘法和干馏法制备的蛋黄油中脂肪油部分没有明显区别，二者与直接用氯仿提取的蛋黄脂肪油相比则有较大差异。

In the current study, anoxic dechlorinations of p, p'-DDT,γ-HCH, HCB in the Liao River sediment were studied under the following conditions: without any additional short chain carbon substrates or vitamin B〓; with the addition of short chain carbon sources (including sodium lactate, sodium propionate or sodium acetate); with the addition of vitamin B〓; with the addition of both short chain carbon substrates and vitamin B〓, with the addition of sodium dodecyl sulfate , a kind of surfactant; the coexistence of the three chlorinated compounds.

本文分别采用不外加碳源和维生素B〓外加碳源（包括乳酸钠、丙酸钠或乙酸钠）、外加维生素B〓以及同时外加碳源和维生素B〓的方法，考察了p，p'-DDT、γ-HCH和HCB三种氯代有机污染物单独或混合存在下，在辽河沉积物中缺氧脱氯降解的情况，主要得到以下结论

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。